/*
 *  Copyright (c) 2017 Uber Technologies, Inc. (hoodie-dev-group@uber.com)
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *           http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 *
 */

package com.uber.hoodie.utilities.schema;

import com.uber.hoodie.common.util.TypedProperties;
import java.io.Serializable;
import org.apache.avro.Schema;
import org.apache.spark.api.java.JavaSparkContext;

/**
 * Class to provide schema for reading data and also writing into a Hoodie table
 */
public abstract class SchemaProvider implements Serializable {

  protected TypedProperties config;

  protected JavaSparkContext jssc;

  protected SchemaProvider(TypedProperties props, JavaSparkContext jssc) {
    this.config = props;
    this.jssc = jssc;
  }

  public abstract Schema getSourceSchema();

  public Schema getTargetSchema() {
    // by default, use source schema as target for hoodie dataset as well
    return getSourceSchema();
  }
}
